2. Put the testblock on a hard and smooth surface. Hold
the instrument against the testblock with the probe in the
hole. The display should show same value as marked
on the testblock.
3. If not, hold the instrument against a flat surface e.g
glass with enough force to make firm contact between
glass and foot. Push the CAL-button. The value on the
display should be between 99,5 and 101.
4. Repeat step 2 above.
Replace battery
When battery symbol shows on the display.
Remove the battery lid on backside and replace with 4
pcs 1,5 V batterys type AAA.
4
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